^Oparenko, Christina (1996). Oxford Myths and Legends: Ukrainian Folk-tales. Oxford: Oxford University Press. pp. 21–23. ISBN0192741683.
^Zheleznova, Irina (1985). Ukrainian Folk Tales. Kyiv: Dnipro Publishers. pp. 31–32.
^Suwyn, Barbara J., ed. (1997). The magic egg and other tales from Ukraine. World folklore series. Englewood, Colo: Libr. Unlimited. ISBN978-1-56308-425-6.